Install a google-chrome .deb to a folder (will create google-chrome-VERSION in it) so that you can have multiple versions on your system

install-google-chrome-to-folder

#!/usr/bin/env bash

# Print Help Message
function print_help() {
  echo "Usage: $0 [OPTIONS] DEB_FILE DIR"
  echo ""
  echo "Install a Google Chrome .deb package to the specified directory."
  echo ""
  echo "Options:"
  echo "  -h, --help    Show this help message and exit."
  echo ""
  echo "Arguments:"
  echo "  DEB_FILE      Path to the Google Chrome .deb package."
  echo "  DIR           Parent directory to install Google Chrome."
  exit 0
}

# Function to validate if the .deb file is a valid Google Chrome package
function validate_deb() {
  local deb_file=$1
  if [[ ! -f "$deb_file" ]]; then
    echo "Error: The specified file '$deb_file' does not exist."
    exit 1
  fi

  # Check if it is a .deb file and contains 'google-chrome' in its name
  if [[ ! "$deb_file" =~ \.deb$ ]] || [[ ! "$deb_file" =~ google-chrome ]]; then
    echo "Error: The file '$deb_file' is not a valid Google Chrome .deb package."
    exit 1
  fi
}

# Function to extract the Chrome version from the .deb package
function get_chrome_version() {
  local deb_file=$1
  dpkg-deb -I "$deb_file" | grep 'Version:' | awk '{print $2}'
}

# Function to install Google Chrome .deb to the target parent directory
function install_chrome() {
  local deb_file=$1
  local parent_dir=$2

  # Get the Chrome version
  local version
  version=$(get_chrome_version "$deb_file")

  if [[ -z "$version" ]]; then
    echo "Error: Could not determine the version of Google Chrome."
    exit 1
  fi

  # Define the target directory as google-chrome-VERSION inside the parent directory
  local target_dir="$parent_dir/google-chrome-$version"

  # Check if the target directory already exists
  if [[ -d "$target_dir" ]]; then
    echo "Warning: Directory '$target_dir' already exists. Proceeding..."
  else
    echo "Creating directory '$target_dir'..."
    mkdir -p "$target_dir"
  fi

  # Extract the package into the new subdirectory
  echo "Extracting the package to '$target_dir'..."
  dpkg-deb -x "$deb_file" "$target_dir"

  # Check if the extraction was successful
  if [[ -d "$target_dir/opt/google/chrome" ]]; then
    echo "Google Chrome successfully installed to '$target_dir'."
  else
    echo "Error: Failed to extract Google Chrome files. Please verify the .deb package."
    exit 1
  fi

  # Create bin directory and symlink the google-chrome executable
  local bin_dir="$target_dir/bin"
  mkdir -p "$bin_dir"

  # Create symlink for easy access
  local chrome_exec="$target_dir/opt/google/chrome/google-chrome"
  if [[ -f "$chrome_exec" ]]; then
    ln -s "$chrome_exec" "$bin_dir/google-chrome"
    echo "Created symlink: '$bin_dir/google-chrome' -> '$chrome_exec'"
  else
    echo "Error: Google Chrome executable not found at '$chrome_exec'."
    exit 1
  fi
}

# Check for help flag
if [[ "$1" == "-h" || "$1" == "--help" ]]; then
  print_help
fi

# Validate the number of arguments
if [[ $# -lt 2 ]]; then
  echo "Error: Missing arguments."
  echo "Use -h or --help for usage information."
  exit 1
fi

# Assign arguments
DEB_FILE=$1
PARENT_DIR=$2

# Validate the .deb package
validate_deb "$DEB_FILE"

# Install Google Chrome to the target parent directory
install_chrome "$DEB_FILE" "$PARENT_DIR"